#0A0C41#0A0C41

#0A0C41 is a very dark, moderate blue. Relative luminance 0.007; OKLCH L 20.1% C 0.097 H 271.9°. Best body text is #FFFFFF at 18.39:1 contrast (WCAG AA passes).

Color values

HEX	#0A0C41
RGB	rgb(10, 12, 65)
HSL	hsl(238, 73%, 15%)
HSV	hsv(238, 85%, 25%)
CMYK	cmyk(84.6%, 81.5%, 0%, 74.5%)
CIE-LAB	lab(6.40, 20.19, -33.34)
CIE-LCH	lch(6.40, 38.98, 301.20°)
OKLab	oklab(20.08% 0.0033 -0.0971)
OKLCH	oklch(20.08% 0.097 271.9)
XYZ	xyz(1.2105, 0.7090, 5.0731)
Luminance	0.0071 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Navy Blue (survey)

#001146

ΔE00 2.33

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0A0C41 #413F0A

analogous

#0A2841 #0A0C41 #240A41

triadic

#0A0C41 #410A0C #0C410A

tetradic

#0A0C41 #410A28 #413F0A #0A4124

square

#0A0C41 #410A28 #413F0A #0A4124

split-complementary

#0A0C41 #41240A #28410A

monochromatic

#04051B #04051B #0A0C41 #121676 #1A20AB

Accessibility & contrast

On white

18.39

#0A0C41 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.14

#0A0C41 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0A0C41

18.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0A0C41	#FFFFFF	#000000	##FFFFFF
##0A0C41	1.00	18.39	1.14	18.39
#FFFFFF	18.39	1.00	21.00	1.00
#000000	1.14	21.00	1.00	21.00
##FFFFFF	18.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001743

Deuteranopia (green-blind)

#001240

Tritanopia (blue-blind)

#001B25

Achromatopsia (no color)

#141414

Design tokens & code

CSS

--color: #0a0c41;
/* rgb */ color: rgb(10, 12, 65);
/* oklch */ color: oklch(20.1% 0.097 271.9);

Tailwind

colors: {
  custom: {
    50: '#544b76',
    500: '#0a0c41',
    950: '#000000',
  },
}

SCSS

$custom: #0a0c41;
$custom-light: #544b76;
$custom-dark: #000000;

JSON

{
  "hex": "#0a0c41",
  "rgb": {
    "r": 10,
    "g": 12,
    "b": 65
  },
  "hsl": {
    "h": 237.818,
    "s": 73.333,
    "l": 14.706
  },
  "oklch": {
    "l": 0.20078,
    "c": 0.09714,
    "h": 271.9
  },
  "luminance": 0.00709
}

Semantic roles & 50–950 ramp

primary

#0A0C41

secondary

#7E7B29

accent

#E938F0

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030108

muted

#78777B

Preview Lab

Preview with #0A0C41

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →